#ifndef DEMO_H
#define DEMO_H

#include <QObject>

class Demo : public QObject
{
    Q_OBJECT
public:
    explicit Demo(QObject *parent = nullptr);

signals:
    void end();

public slots:
    void add();
    void sub();
    void start();

private:
    int m_i = 0;
};

#endif // DEMO_H
